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  • 1.
    Lundin, Andreas
    et al.
    Karolinska Institutet / Stockholm County Council.
    Åhs, Jill
    Karolinska Institutet.
    Åsbring, Nina
    Stockholm County Council.
    Kosidou, Kyriaki
    Karolinska Institutet / Stockholm County Council.
    Dal, Henrik
    Karolinska Institutet / Stockholm County Council.
    Tinghög, Petter
    The Swedish Red Cross University College, Department of Health Sciences. Karolinska Institutet.
    Saboonchi, Fredrik
    The Swedish Red Cross University College, Department of Health Sciences. Karolinska Institutet.
    Dalman, Christina
    Karolinska Institutet / Stockholm County Council.
    Discriminant validity of the 12-item version of the general health questionnaire in a Swedish case-control study2017In: Nordic Journal of Psychiatry, ISSN 0803-9488, E-ISSN 1502-4725, Vol. 71, no 3, p. 171-179Article in journal (Refereed)
    Abstract [en]

    BACKGROUND: The 12-item version of the General Health Questionnaire (GHQ-12) is widely used as a proxy for Affective Disorders in public health surveys, although the cut-off points for distress vary considerably between studies. The agreement between the GHQ-12 score and having a clinical disorder in the study population is usually unknown.

    AIMS: This study aimed to assess the criterion validity and to determine the sensitivity and specificity of the GHQ-12 in the Swedish population.

    METHODS: This study used 556 patient cases surveyed in specialized psychiatric care outpatient age- and sex-matched with 556 controls from the Stockholm Health Survey. Criterion validity for two scoring methods of GHQ-12 was tested using Receiver Operating Characteristics (ROC) analyses with Area Under the Curve (AUC) as a measure of agreement. Reference standard was (1) specialized psychiatric care and (2) current depression, anxiety or adjustment disorder.

    RESULTS: Both the Likert and Standard GHQ-12 scoring method discriminated excellently between individuals using specialized psychiatric services and healthy controls (Likert index AUC = 0.86, GHQ index AUC = 0.83), and between individuals with current disorder from healthy controls (Likert index AUC = 0.90, GHQ index AUC = 0.88). The best cut-off point for the GHQ index was ≥4 (sensitivity = 81.7 and specificity = 85.4), and for the Likert index ≥14 (sensitivity = 85.5 and specificity = 83.2).

    CONCLUSIONS: The GHQ-12 has excellent discriminant validity and is well suited as a non-specific measure of affective disorders in public mental health surveys.

  • 2.
    Petersson, Suzanne
    et al.
    AnorexiBulimiCenter, Division of Psychiatry, Kalmar County Council.
    Perseius, Kent-Inge
    Nyckeln Competence Center for Health Pedagogics, Kalmar County Council.
    Johnsson, Per
    Department of Psychology, Lund University, Lund.
    Perfectionism and sense of coherence among patients with eating disorders2014In: Nordic Journal of Psychiatry, ISSN 0803-9488, E-ISSN 1502-4725, Vol. 68, no 6, p. 409-415Article in journal (Refereed)
    Abstract [en]

    Background: There is a substantial body of research on eating disorders and perfectionism. Also there are several studies on eating disorders and sense of coherence (SOC), but studies regarding all three subjects are sparse. Perfectionism and the degree of SOC are considered central and aggravating aspects of psychiatric conditions, not least in relation to eating disorders. Aims: The present study aimed to describe the relationship between perfectionism as operationalized by Garner in the Eating Disorder Inventory-2 and SOC as defined by Antonovsky in the SOC-29 scale. The hypothesis was that SOC should be negatively associated with perfectionism. Methods: Data from the two self-measuring instruments collected from 95 consecutively recruited eating disorder outpatients were analysed with descriptive and inferential statistics. Results: The patients in the present study scored consistently with other Swedish eating disorder samples on the Perfectionism subscale in the Eating Disorder Inventory-2 (EDI-P) and on the SOC-29, indicating a higher degree of perfectionism and weaker SOC than normal population groups. Perfectionism was significantly correlated to SOC. The correlation was negative, confirming the study hypothesis. The hypothesis was further confirmed in a subgroup analysis comparing patients with different degrees of SOC related to their EDI-P scores. Conclusions: Perfectionism is associated with SOC in patients with eating disorders. Clinical implications: The clinical implications derived from the study could be a recommendation to focus on the SOC in patients with an eating disorder with the hope of lowering the patients’ perfectionism as well.

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